<head>
    <meta http-equiv="content-type" content="text/html; charset=GBK"/>
    <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> 
	<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache"> 
	<META HTTP-EQUIV="Expires" CONTENT="0">
</head>
<div id="map_canvas" style="position:absolute;width: 102%; height: 100%;" ></div>
<script>
var height=screen.height;
var width = screen.width;
// menu frame object
var menuFrame = window.top.document.frames(1);
//map frame object
var mapFrame = window.top.document.frames(2);
//alert("height="+(height-56-72));
//alert("width="+(width-150));
var scrollbarHeight=20;
//document.getElementById("map_canvas").style.height= (height-56-72-2*scrollbarHeight);
//document.getElementById("map_canvas").style.width =(width-168-1.6*scrollbarHeight);
</script>
